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Question

Sclerenchyma is made up of

A
only sclereids
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B
only fibres
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C
sclereids and fibres
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D
intercellular spaces
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Solution

The correct option is C sclereids and fibres
Sclerenchyma is a simple permanent dead mechanical tissue. The cell wall is made up of cellulose and lignin. It is not permeable to water. It provides rigidity to the plants.
Sclerenchyma is made up of sclerenchymatous cells called sclereids and fibres.
Sclereids come in different shapes and their cell walls are highly thickened by the deposition of lignin.
Fibres are long, tapering towards the ends and bulging in the middle.
There are no intercellular spaces in sclerenchyma as the cell walls are thickened with lignin and all the spaces are filled with lignin.


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